video-data-uri.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /largest-contentful-paint/video-data-uri.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<title>This test verifies a video element of data uri src triggers an LCP entry

  to be emitted</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

  <script>

    const get_lcp_entry = () => {

      return new Promise(resolve => {

        new PerformanceObserver((list, observer) => {

          if (list.getEntries()) {

            observer.disconnect();

            resolve(list.getEntries()[0]);

        }).observe({ type: "largest-contentful-paint", buffered: true });

});

};

    promise_test(async t => {

      lcpEntry = await get_lcp_entry();

      assert_true(lcpEntry.url.startsWith('data:video/webm;base64,GkXfo59C'));

    }, "Video of data URI src should trigger an LCP entry to be emitted.")

  </script>

  <!--

    This is the base64 encoding of the images/pattern.webm video file.

-->

  <video autoplay muted src="data:video/webm;base64,GkXfo59ChoEBQveBAULygQRC84EIQoKEd2VibUKHgQJChYECGFOAZwEAAAAAAAQxEU2bdLpNu4tT

  q4QVSalmU6yBoU27i1OrhBZUrmtTrIHYTbuMU6uEElTDZ1OsggEpTbuMU6uEHFO7a1OsggQb7AEA

  AAAAAABZAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

  AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAVSalmsirXsYMPQkBNgI1MYXZm

  NTkuMjcuMTAwV0GNTGF2ZjU5LjI3LjEwMESJiECpQgAAAAAAFlSua8yuAQAAAAAAAEPXgQFzxYil

  qEthhRpETZyBACK1nIN1bmSIgQCGhVZfVlA5g4EBI+ODhAH8oFXglLCBFLqBFJqBAlWwiFW3gQJV

  uIECElTDZ0CBc3OgY8CAZ8iaRaOHRU5DT0RFUkSHjUxhdmY1OS4yNy4xMDBzc9tjwItjxYilqEth

  hRpETWfIpUWjh0VOQ09ERVJEh5hMYXZjNTkuMzcuMTAwIGxpYnZweC12cDlnyKJFo4hEVVJBVElP

  TkSHlDAwOjAwOjAzLjIzMzAwMDAwMAAAH0O2dUJl54EAo0G3gQAAgKJJg0IAACYAJsAHBIODAEAA

  BnAAAHhP///9Q/65f////wmeP/////rwFR5Is7//mm/jI7F//4raSRl5AVkn///8c/8phq//5sl4

  3m13ew5////YzH/quJ1///+7PmxlWQ33kfuEh+P//7od24Cqpi5QNC9i////+ElnriauN////ElQ

  YZcxov4Yx///9zJe/hlKf///2wteAkNJPo3jxlcx//aCdOF2s2+6yc3qmgtrvSadpUHyhzKvZLHQ

  HPfw/yBM392pGbYDf////Jt2l5ctakp//pFL/jdkaumyv2/hPNwTDXLuzq3Hshvf+xED6liPj/Yl

  Op29O0x//+S1annta3jdCP//jCP//93mv/MS/st8352/8MPJZhn/uSe0wfT3LGr8+KY/dBfBjEv/

  2aBMTfwh//RLcswNR+aoOCq2VZWOWaQEeS9kChnBNTwP4XHAhU1XXFbX//ZpyKr76trSCwv3k9AS

  sQfD3WUHFH00UV+Dz33eUpd1rRhdo1WocotOnDqd3RNvs1Tx6BX9JBJ7CS/6OMSd1WhPK+CvqTn4

  Z1Op01X0KcAq7I08pT5UGSpQAKOTgQGQAKYAQJKcAEoAAAMgAABDQKOTgQMgAKYAQJKcAEoAAAMg

  AABDQKOTgQSwAKYAQJKcAEoAAAMgAABDQKOTgQZAAKYAQJKcAEoAAAMgAABDQKOTgQfQAKYAQJKc

  AEoAAAMgAABDQKOTgQlgAKYAQJKcAEoAAAMgAABDQKOTgQrwAKYAQJKcAEoAAAMgAABDQKOTgQyA

  AKYAQJKcAEoAAAMgAABDQBxTu2uRu4+zgQC3iveBAfGCAbDwgQM=" width="600"></video>

</body>

</html>